JPH07131406A - Protective communication system for moving object - Google Patents
Protective communication system for moving objectInfo
- Publication number
- JPH07131406A JPH07131406A JP5278552A JP27855293A JPH07131406A JP H07131406 A JPH07131406 A JP H07131406A JP 5278552 A JP5278552 A JP 5278552A JP 27855293 A JP27855293 A JP 27855293A JP H07131406 A JPH07131406 A JP H07131406A
- Authority
- JP
- Japan
- Prior art keywords
- protective
- protection
- protection signal
- transmitter
- coaxial cable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 49
- 238000004891 communication Methods 0.000 title claims description 6
- 238000010295 mobile communication Methods 0.000 claims 1
- 238000012876 topography Methods 0.000 abstract description 3
- 230000002633 protecting effect Effects 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Mobile Radio Communication Systems (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、線路を監視する巡回
者が軌道等の異常を発見した場合に、進行して来る列車
等の移動体に異常を通報するための防護無線方式に関す
るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective radio system for notifying a moving body such as a moving train of a moving body when a pedestrian watching a track finds an abnormal state such as a track. is there.
【０００２】[0002]
【従来の技術】図３は例えば「新幹線の電子制御・通信
システム78〜80頁（渡辺寿夫著、電子通信学会発行）」
に示された従来の防護無線方式を示す構成図であり、図
において、１は線路巡回者が携行する携帯形防護送信
機、２はこの防護送信機１の空中線、３は線路上を走行
する列車、４はこの列車３に搭載された列車用防護受信
機、５は列車用の空中線である。2. Description of the Related Art FIG. 3 shows, for example, "Shinkansen electronic control / communication system, pages 78-80 (written by Toshio Watanabe, published by The Institute of Electronics and Communication Engineers)."
FIG. 1 is a configuration diagram showing a conventional protective radio system shown in FIG. 1, in which 1 is a portable protective transmitter carried by a track patrol person, 2 is an antenna of the protective transmitter 1, and 3 is traveling on a track. Trains 4 are protective receivers for trains mounted on this train 3, and 5 are antennas for trains.
【０００３】次に動作について説明する。線路を監視す
る巡回者は巡回中に軌道等の異常を発見した場合、携行
している携帯形の防護送信機１を起動し、その空中線２
から防護無線電波Ｆ1 を送信する。この電波Ｆ1 は、当
該異常地点に向かって進行して来る列車３の列車用空中
線５を経て、列車３に搭載された列車用の防護受信機４
にて防護信号として受信される。そして、列車３では、
この防護信号を受報することにより、この列車３の乗務
員は緊急停車等の防護措置をとる。Next, the operation will be described. If a patroller monitoring the track finds an abnormality such as a trajectory during the patrolling, he activates the portable protective transmitter 1 he is carrying, and
To transmit a protective radio wave F 1 . The radio wave F 1 passes through the train antenna 5 of the train 3 traveling toward the abnormal point, and then the train protective receiver 4 mounted on the train 3.
Received as a protection signal at. And on train 3,
By receiving this protection signal, the crew member of this train 3 takes protective measures such as an emergency stop.
【０００４】[0004]
【発明が解決しようとする課題】従来の防護無線方式は
以上のように構成されているので、軌道近傍の建造物や
周囲の地形の影響を受けて、防護送信機１から発射され
た電波Ｆ1 の到達距離が大幅に変化し、新幹線列車のよ
うに高速で走行する列車では非常停車に要する制動距離
を十分確保する必要があるにもかかわらず、電波の到達
距離が不十分で、制動距離が確保できないなどの問題点
があった。Since the conventional protection radio system is constructed as described above, the radio wave F emitted from the protection transmitter 1 is affected by the structures near the track and the surrounding topography. Although the reach distance of 1 has changed significantly, it is necessary to secure a sufficient braking distance for emergency stop in trains that run at high speed such as Shinkansen trains, but the arrival distance of radio waves is insufficient There was a problem such as not being able to secure.
【０００５】この発明は上記のような問題点を解消する
ためになされたもので、防護通報を必要とする範囲の全
列車に対し周囲の建物や地形に影響されることなく確実
に防護通報できるようにして、列車運行上の安全性の向
上を図った防護無線方式を得ることを目的とする。The present invention has been made in order to solve the above-mentioned problems, and it is possible to reliably carry out protection notification to all trains in a range requiring a protection notification without being affected by surrounding buildings or topography. In this way, an object is to obtain a protective radio system that improves the safety of train operation.
【０００６】[0006]
【課題を解決するための手段】この発明の請求項１に係
る防護無線方式は所定の経路に沿って配置され携帯形防
護送信機からの防護信号を受信する中継機とを備え、前
記携帯形防護送信機かの防護信号を受信した場合に、前
記中継機は防護信号を移動体の受信機へ向け、再送信す
るものである。According to a first aspect of the present invention, there is provided a wireless protection system including a repeater which is arranged along a predetermined path and receives a protection signal from a portable protection transmitter. When the protection signal from the protection transmitter is received, the repeater directs the protection signal to the receiver of the mobile unit and retransmits it.
【０００７】請求項２は中継機が受信した防護信号の周
波数を変換して送信するものである。The second aspect of the invention is to convert the frequency of the protection signal received by the repeater and transmit it.
【０００８】請求項３は、中継機が受信した防護信号は
一旦中継中央装置に転送され、中継中央装置は複数の中
継機を駆動して移動体へ防護情報を送信するものであ
る。According to a third aspect of the present invention, the protection signal received by the repeater is once transferred to the relay central device, and the relay central device drives the plurality of repeaters to transmit the protection information to the moving body.
【０００９】[0009]
【作用】この発明の請求項１における防護無線方式で
は、携帯形防護送信機からの防護信号を漏洩ケーブルを
経由して中継機により受信することにより、防護措置を
必要とする区間の中継設備の防護再送信機から防護信号
が移動体へ再送信されるので、周囲の建造物や地形の影
響を受けることがなくなる。その結果、防護措置を必要
とする区間内に存在するか、この区間へ進入して来るす
べての移動体の防護受信機へ防護信号が確実に送信され
る。In the protection radio system according to the first aspect of the present invention, the protection signal from the portable protection transmitter is received by the relay device via the leakage cable, so that the relay equipment in the section requiring the protection measures is protected. Since the protection signal is retransmitted from the protection transmitter to the mobile unit, it is not affected by the surrounding structures and terrain. As a result, the protection signal is reliably transmitted to the protection receivers of all mobiles that are present in or enter the section requiring protective measures.
【００１０】請求項２の発明の中継機は受信した防護信
号の周波数を変換して送信するので、受信信号と送信信
号を分離することができる。Since the repeater according to the second aspect of the present invention converts the frequency of the received protection signal and transmits it, the reception signal and the transmission signal can be separated.
【００１１】請求項３の発明は、請求項１と同様の作用
に加えて、中継中央装置から防護情報を送信すべき複数
の中継機を自由に指定できるので防護措置を行う区間を
可変設定できる。According to the invention of claim 3, in addition to the same operation as in claim 1, since a plurality of repeaters to which the protection information is to be transmitted can be freely designated from the relay central unit, the section for carrying out the protection measures can be variably set. .
【００１２】[0012]
【実施例】実施例１．図１において、１〜４は従来の技
術と同様であり、説明を省略する。11はＬＣＸ方式列車
無線用の設備として軌道に沿って架設された漏洩同軸ケ
ーブル（以下、ＬＣＸと略記）、12は一定間隔でＬＣＸ
11に接続される列車無線用の中継機、21は各中継機12に
併設されＬＣＸ11とも接続された防護受信機（Ｒ）であ
り、これらのＬＣＸ11，中継機12および防護受信機21に
より、軌道に沿って配置された携帯形防護送信機１から
の防護信号を受信しうる受信設備が構成されている。EXAMPLES Example 1. In FIG. 1, 1 to 4 are the same as in the conventional technique, and the description thereof will be omitted. 11 is a leaky coaxial cable (hereinafter abbreviated as LCX) installed along the track as equipment for LCX train radio, and 12 is LCX at regular intervals.
A train radio relay station connected to 11 and 21 are protective receivers (R) that are attached to each relay station 12 and are also connected to the LCX11. The LCX11, the relay station 12 and the protective receiver 21 enable the track Receiving equipment capable of receiving a protection signal from a portable protection transmitter 1 arranged along it is configured.
【００１３】さらに、22は上記防護受信機21による防護
情報を、あらかじめ決められた所定箇所へ伝送する有線
伝送路、23は上記各中継機12に併設されＬＣＸ11とも接
続された防護再送信機（Ｔ）、24は列車３に搭載された
ＬＣＸ用空中線であり、これらの有線伝送路22，防護再
送信機23，受信設備と共用される中継機12およびＬＣＸ
11により、軌道に沿って配置された防護受信機21からの
防護信号を中継し、再送信しうる防護中継設備が構成さ
れている。Further, 22 is a wired transmission line for transmitting the protection information from the protection receiver 21 to a predetermined location, and 23 is a protection retransmitter (also referred to as a protection retransmitter connected to each of the repeaters 12 and also connected to the LCX 11). T) and 24 are LCX antennas mounted on the train 3, and these wired transmission lines 22, protective retransmitters 23, relays 12 and LCX shared with the receiving equipment.
11 constitutes a protective relay facility capable of relaying and retransmitting the protective signal from the protective receiver 21 arranged along the track.
【００１４】次に動作について説明する。線路巡回者は
巡回中に軌道等の異常を発見した場合、携行している携
帯形防護送信機１を起動し、その空中線２から、軌道に
沿って架設されたＬＣＸ11に向けて防護無線電波Ｆ1 を
送信する。この電波Ｆ1 は、ＬＣＸ11の固有の結合量を
もってＬＣＸ11に受信され、ＬＣＸ11を通してこのＬＣ
Ｘを管括する中継機12に到達し、同所に併設された防護
受信機21にて防護通報として確実に受信される。Next, the operation will be described. If a track patroller finds an abnormality such as a track during patrol, it activates the portable protective transmitter 1 that is being carried, and from its antenna 2 toward the LCX11 installed along the track, the protective radio wave F Send 1 This radio wave F 1 is received by the LCX 11 with a specific coupling amount of the LCX 11, and is transmitted through the LCX 11 to this LC.
It reaches the relay device 12 that supervises X, and it is surely received as a protection notification by the protection receiver 21 installed in the same place.
【００１５】そして、この情報は、有線伝送路22を通し
て、同一箇所に併設された防護再送信機23を起動すると
共に、さらに隣接した中継機に併設された防護再送信機
23a，23b をも一斉に起動して、各中継機12，12a , 12b
がそれぞれ管括とするＬＣＸ11，11a ，11b に対し、
携帯形防護送信機１とは周波数の異なる防護無線電波Ｆ
2 を送出する。ＬＣＸ11, 11a , 11b からは防護無線電
波Ｆ2 が放射されるのでこれらのＬＣＸ11, 11a , 11b
が架設された区間内に在線するすべての列車３に対し確
実に送信され、列車３のＬＣＸ用空中線24を介して列車
用防護受信機４にて防護信号として確実に受信される。
列車３では、この防護信号を受信することにより、この
列車３の乗務員は緊急停車等の防護措置をとる。Then, this information activates the protective retransmitter 23 installed at the same location through the wired transmission line 22, and the protective retransmitter installed adjacent to the relay device.
23a and 23b are also activated at the same time, and the repeaters 12, 12a and 12b
LCX11, 11a and 11b, which are respectively controlled by
A protective radio wave F having a frequency different from that of the portable protective transmitter 1
Send 2 . Since the protective radio wave F 2 is radiated from the LCX11, 11a, 11b, the LCX11, 11a, 11b are protected.
Is reliably transmitted to all the trains 3 existing in the section where the train is installed, and is reliably received as a protection signal by the train protection receiver 4 via the LCX antenna 24 of the train 3.
In the train 3, the crew member of the train 3 takes protective measures such as an emergency stop by receiving the protection signal.
【００１６】ここで、ＬＣＸ11は、列車無線用の通常の
設備として当該線区の全線に亘って予め架設されてお
り、中継機12は列車無線周波がＬＣＸ11を伝送される過
程で発生するレベル低下を補正することを目的として、
約１Km〜1.5Km の間隔で固定配置されたもので、列車３
の非常停止に必要な制動距離が上記の中継機間隔よりも
長いときは、隣接中継機の次段の次隣接中継機に併設さ
れた防護再送信機をも同時に起動するよう有線伝送路22
を延長しておけばよいことは、明白である。このよう
に、本実施例によれば、防護通報を必要とする範囲の全
列車に対し、周囲の建物や地形の影響を受けることなく
確実に防護通報が行われるようになり、列車運行上の安
全が大幅に向上するのである。Here, the LCX11 is installed in advance as a normal equipment for train radio over the entire line of the line section, and the repeater 12 lowers the level generated in the process of transmitting the train radio frequency to the LCX11. For the purpose of correcting
Trains 3 are fixedly installed at intervals of about 1 km to 1.5 km.
If the braking distance required for the emergency stop of the relay is longer than the above-mentioned repeater interval, it is necessary to simultaneously activate the protective retransmitter attached to the next adjacent repeater next to the adjacent repeater.
It is clear that we should extend As described above, according to the present embodiment, all trains in the range requiring the protective notification can be surely notified without being affected by the surrounding buildings or the terrain, and the train operation can be performed. The safety is greatly improved.
【００１７】実施例２．なお、上記実施例では、防護受
信機21で受信された防護の情報を有線伝送路22を介し
て、隣接する中継機12a , 12b に併設された防護再送信
機23a , 23b へ伝送する様に構成したが、図２に示すよ
うに、各防護受信機21, 21a , 21b ，…の受信情報を個
別の有線伝送路22, 22a , 22b , …で一旦、防護中継中
央装置31に引き込み、別の有線伝送路32, 32a , 32b ,
…で、各防護再送信機23, 23a , 23b …に起動情報を転
送するように構成し、さらに上記中央装置31にて、各防
護受信機21, 21a , 21b …に対応してあらかじめ定めら
れたサービスエリアを確保できるように起動すべき複数
の防護再送信機23, 23a , 23b ，…を設定することによ
り上記実施例と同様の効果を奏する。Example 2. In the above embodiment, the protection information received by the protection receiver 21 is transmitted to the protection retransmitters 23a and 23b attached to the adjacent relays 12a and 12b via the wired transmission path 22. As shown in FIG. 2, the reception information of each protection receiver 21, 21a, 21b, ... Is temporarily drawn into the protection relay central device 31 via individual wire transmission lines 22, 22a, 22b ,. Wired transmission line 32, 32a, 32b,
... is configured to transfer the activation information to each protective retransmitter 23, 23a, 23b ..., and is further predetermined by the central device 31 in correspondence with each protective receiver 21, 21a, 21b ... By setting a plurality of protective retransmitters 23, 23a, 23b, ... Which should be activated so as to secure the service area, the same effect as that of the above-described embodiment is obtained.
【００１８】[0018]
【発明の効果】以上のように、この発明によれば、受信
設備を介して防護通報を防護中継設備に伝送し、あらか
じめ定めた所定区域をサービスエリアとして、移動体に
対して防護信号を送信するように構成したので、防護通
報を必要とする範囲の全移動体に対し確実に防護通報が
行われ、移動体運行上の安全性が大幅に向上する効果が
ある。As described above, according to the present invention, the protection notification is transmitted to the protection relay equipment via the reception equipment, and the protection signal is transmitted to the mobile body by using the predetermined predetermined area as the service area. Since it is configured to do so, there is an effect that the protection notification is surely made to all the mobile bodies in the range requiring the protection notification, and the safety in operating the mobile bodies is significantly improved.
【図１】この発明の一実施例による防護無線システムを
示す構成図である。FIG. 1 is a configuration diagram showing a protection wireless system according to an embodiment of the present invention.
【図２】この発明の他の実施例による防護無線システム
を示す構成図である。FIG. 2 is a block diagram showing a protection wireless system according to another embodiment of the present invention.
【図３】従来の防護無線方式を示す構成図である。FIG. 3 is a configuration diagram showing a conventional protection wireless system.
１ 携帯形防護送信機 ３ 移動体 ４ 移動体の防護受信機 11 漏洩同軸ケーブル 12 中継機 21 中継機の防護受信機 22 有線伝送路 23 中継機の防護再送信機 31 防護中継中央装置 1 Portable Protective Transmitter 3 Mobile 4 Protective Receiver for Mobile 11 Leaky Coaxial Cable 12 Repeater 21 Protective Receiver for Repeater 22 Wired Transmission Line 23 Protective Retransmitter for Repeater 31 Protective Relay Central Unit
Claims (3)
体の移動経路に沿って配置され前記防護通信機が送信し
た防護信号を受信する漏洩同軸ケーブルと、前記移動経
路に所定の間隔を置いて複数配置され、漏洩同軸ケーブ
ルから防護信号を受信すると漏洩同軸ケーブルを経て前
記移動体へ防護情報を送信する中継機とを備えた移動体
の防護通信システム。1. A portable protective communication device held by an observer, a leaky coaxial cable arranged along a moving route of a moving body for receiving a protective signal transmitted by the protective communication device, and a predetermined interval on the moving route. A protection system for a mobile body, comprising a plurality of relay stations, each of which is provided with a relay unit for transmitting protection information to the mobile body via the leaky coaxial cable when a protection signal is received from the leaky coaxial cable.
換して防護信号として送信する請求項１の移動体の防護
通信システム。2. The mobile communication system according to claim 1, wherein the frequency of the protection signal received by the repeater is converted and transmitted as a protection signal.
体の移動経路に沿って配置され前記防護送信機が送信し
た防護信号を受信する漏洩同時ケーブルと、前記移動経
路に所定の間隔を置いて複数配置され、漏洩同軸ケーブ
ルから受信した防護信号を中継中央装置へ送信する中継
器と、防護信号の受信に基づいて複数の中継機を駆動し
て前記移動体へ防護情報を送信させる中継中央装置とを
備えた移動体の防護通信システム。3. A portable protective transmitter carried by an observer, a leaky simultaneous cable arranged along a moving route of a moving body for receiving a protective signal transmitted by the protective transmitter, and a predetermined interval on the moving route. And a plurality of relays arranged to transmit the protection signal received from the leaky coaxial cable to the relay central device, and the plurality of relays are driven based on the reception of the protection signal to transmit the protection information to the moving body. A mobile protective communication system with a relay central unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5278552A JPH07131406A (en) | 1993-11-08 | 1993-11-08 | Protective communication system for moving object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5278552A JPH07131406A (en) | 1993-11-08 | 1993-11-08 | Protective communication system for moving object |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07131406A true JPH07131406A (en) | 1995-05-19 |
Family
ID=17598857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5278552A Pending JPH07131406A (en) | 1993-11-08 | 1993-11-08 | Protective communication system for moving object |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07131406A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285858B1 (en) | 1997-11-07 | 2001-09-04 | Nec Corporation | Electronic toll collection system and method featuring antenna arrangement |
-
1993
- 1993-11-08 JP JP5278552A patent/JPH07131406A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6285858B1 (en) | 1997-11-07 | 2001-09-04 | Nec Corporation | Electronic toll collection system and method featuring antenna arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101850578B1 (en) | On-vehicle device for train control system | |
| US7840338B2 (en) | Communication, monitor and control apparatus, and related method, for railway traffic | |
| CN206704208U (en) | Heavy haul railway movable block control system based on TD LTE | |
| US20180327000A1 (en) | Devices, systems, and methods related to tracking location of operator control units for locomotives | |
| RU2544007C2 (en) | System for radio communication with mobile objects | |
| CN105656507B (en) | A kind of wireless optical and radio frequency hybrid communication system and application method | |
| CN107579768A (en) | A kind of air control system based on wireless laser communication | |
| KR200219500Y1 (en) | A train approach alarm system | |
| JPH07131406A (en) | Protective communication system for moving object | |
| JP7241521B2 (en) | TRAIN POSITION DETECTION DEVICE AND TRAIN POSITION DETECTION SYSTEM | |
| KR101289725B1 (en) | Wireless communication system on mono-rail, control method thereof, and wireless communication system data processing method on mono-rail | |
| KR20020075594A (en) | An emergency communication system for protection of a vehicle and method therefor | |
| KR100935895B1 (en) | Method for changing channel of bi-directional wireless image system used for movable body | |
| CN205430226U (en) | No linear light and mixed communication system of radio frequency | |
| JPH02195736A (en) | Trouble preventive wireless system | |
| JPH0522207A (en) | Protection radio system | |
| JPWO2003028243A1 (en) | Communication system using leaky transmission line | |
| CN213594274U (en) | Communication device for rail transit vehicle room | |
| Strang et al. | Train Collision Avoidance with Mobile Devices for Sparsely Used Railway Lines | |
| US20220089204A1 (en) | Devices, systems, and methods related to tracking location of operator control units for locomotives | |
| JPH11340893A (en) | Train radio equipment | |
| JPS5869407A (en) | Indirect train protective radio system | |
| Nakagawa et al. | Broadband telecommunication system for railways using laser technology | |
| JPH07108939A (en) | Gps train safety device | |
| JP2000326849A (en) | Train position detecting device |